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Click For Detailed Information On PCB Cavities
Since cavity PCBs often require sequential lamination steps, registration often becomes difficult to predict / achieve. We have had years of experience in fabricating cavity boards and have models set up based on the number of laminations, size of cutouts, and types of materials. Further, we have created custom and proprietary tooling systems to hold material in place and insure the registration of the cutout layer to the prepreg surrounding it.To get more news about Cavity PCB, you can visit pcbmake official website.
Bleed-Out of Bonding Material
Because of our experience with multiple varieties of cavity boards, we have models set up to most accurately predict the flow of bonding material so that it can be machined out to optimal dimensions.
Shallow Cavity Routing
Most mechanical depth-controlled routers cannot hold Z-axis tolerance less than 5-10 mils. This prevents cavities from being less than 5 mils in height. To address this issue, we have purchased and installed an Excellon Cobra LVD CO2 / UV laser system. Using a combination of both lasers, we are able to machine out cover material to cavities less than 5 mils in height without damaging the layer to be exposed.